William Temple Hornaday,
Popular Science Monthly
(1883)
“ I do not believe their minds act with sufficient rapidity and accuracy to enable a company of them to go through with such a wholly artificial performance as successfully as the elephant's. The thoughtful observer does not need to be told that the brain of the ponderous quadruped acts, as far as it goes, with the same lightning rapidity and clearness as that of the most intelligent man—this, too, be it remembered, in a performance wholly artificial and acquired, in which the animal depends solely upon the words of the trainer. ”
